[MINDEXER-218] Bump org.jmock:jmock from 2.12.0 to 2.13.1 (#357)

Bumps [org.jmock:jmock](https://github.com/jmock-developers/jmock-library) from 2.12.0 to 2.13.1.
- [Release notes](https://github.com/jmock-developers/jmock-library/releases)
- [Commits](https://github.com/jmock-developers/jmock-library/compare/2.12.0...2.13.1)

---
updated-dependencies:
- dependency-name: org.jmock:jmock
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

---

https://issues.apache.org/jira/browse/MINDEXER-218
diff --git a/pom.xml b/pom.xml
index ecdcc2c..bbf7521 100644
--- a/pom.xml
+++ b/pom.xml
@@ -275,7 +275,7 @@
       <dependency>
         <groupId>org.jmock</groupId>
         <artifactId>jmock</artifactId>
-        <version>2.12.0</version>
+        <version>2.13.1</version>
         <scope>test</scope>
       </dependency>